Home / 42,794.54-64,207.01-19,099.94

Finding the Fourth Proportional to 42,794.54, 64,207.01 and 19,099.94

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Solution

The fourth proportional to 42,794.54, 64,207.01 and 19,099.94 is: 28,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,794.54 : 64,207.01 = 19,099.94 : x
  2. Step 2: Convert to fraction form
    42,794.54/64,207.01 = 19,099.94/x
  3. Step 3: Cross multiply
    42,794.54x = 64,207.01 × 19,099.94
  4. Step 4: Simplify right side
    42,794.54x = 1,226,349,765.29
  5. Step 5: Solve for x
    x = 1,226,349,765.29/42,794.54
  6. Step 6: Final answer
    x = 28,656.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.